Home / 10,288.18-14,197.66-5,572.45

Finding the Fourth Proportional to 10,288.18, 14,197.66 and 5,572.45

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Solution

The fourth proportional to 10,288.18, 14,197.66 and 5,572.45 is: 7,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.18 : 14,197.66 = 5,572.45 : x
  2. Step 2: Convert to fraction form
    10,288.18/14,197.66 = 5,572.45/x
  3. Step 3: Cross multiply
    10,288.18x = 14,197.66 × 5,572.45
  4. Step 4: Simplify right side
    10,288.18x = 79,115,750.47
  5. Step 5: Solve for x
    x = 79,115,750.47/10,288.18
  6. Step 6: Final answer
    x = 7,689.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.